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Sample screenshot from Motor Feeder Calculator

Choose to enter FLC or HP, enter value for 1 to 12 motors.<br> Table keeps running total amps. Choose raceway(conduit) type...<br>finds minimum wire sizes & conduit sizes for single & parallel runs.
Find:
FLC / HP(NEC)
Apply derating
1 to 12 motors
Size wire
Size conduit:
EMT
RMC
PVC(Sch 40, 80)
Single runs
Parallel runs